The Strategy Use Measure (SUM) was developed as a systematic tool to assess cognitive, behavioural and emotional strategy use by clients and carers after acquired brain injury. Comprehensive content development was undertaken across four clinical service sites via expert clinician consultation and consensus, file review of strategies used in clinical practice, and consumer consultation. Statistical analysis was undertaken to evaluate items and assess reliability, validity and factor structure. Two final versions of the SUM were developed, for use with clients (SUM-ABI
14 items) and carers (SUM-C
24 items). Internal consistency for the total scales was sound (SUM-ABI =